Epstein, A. J., Call, G., & Jacobson, A. (2012). Circle of heroes. Harper.
芝加哥风格引文Epstein, Adam Jay, Greg Call, 与 Andrew Jacobson. Circle of Heroes. New York: Harper, 2012.
MLA引文Epstein, Adam Jay, et al. Circle of Heroes. Harper, 2012.
警告：这些引文格式不一定是100％准确.